Last bit of major changes

Closes #1
Closes #5
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users/migrations/0002_paymentmethod_billing_address_and_more.py

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+# Generated by Django 6.0.1 on 2026-01-25 14:03
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='paymentmethod',
+            name='billing_address',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='payment_methods', to='users.address'),
+        ),
+        migrations.AddField(
+            model_name='paymentmethod',
+            name='card_number_encrypted',
+            field=models.BinaryField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='paymentmethod',
+            name='cvv_encrypted',
+            field=models.BinaryField(blank=True, null=True),
+        ),
+    ]